Hello and thank you for your question. Our Vegetable Glycerin is USP grade. We even take it a step further from just the standard USP grade and source only Non GMO/USDA certified organic vegetable glycerin. Pure Ingredients, Pure Vapor!
https://storage.googleapis.com/stateless-kindjuice-com/2018/02/KIND.JUICE_.VAPECO.LOGO-web.png00shellyhttps://storage.googleapis.com/stateless-kindjuice-com/2018/02/KIND.JUICE_.VAPECO.LOGO-web.pngshelly2015-12-21 14:44:062015-12-21 14:44:06Answer for pharmaceutical-quality glycerin that meets USP standards